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Topic Title: Voltage Test Terminal & Current Test Terminal in Switchgear Topic Summary: Created On: 08 March 2013 02:47 AM Status: Post and Reply |
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 08 March 2013 02:47 AM
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what are the Voltage Test Terminal & Current Test Terminal, and wht is the test terminal block
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08 March 2013 08:06 PM
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It sounds to me like we are doing your college assignment question by question.
On a CT metering enclosure, there is normally a test terminal block provided on the front (or sometimes inside the first door). The terminal names pretty much speak for themselves. Stu |
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08 March 2013 10:39 PM
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I have come across din rail mounted test terminals or panel mounted test blocks such as the Midos system.
VT test terminals are standard terminals allowing you to measure the VT voltage, they may have adapters for 4mm test plugs built into them. The CT test terminals allow you to connect in series with the CT circuit to measure the current, they short out automatically when the meter is disconnected to maintain the circuit. Some din rail systems I have come across involved links that could be moved manually to short out the CT or connect a meter into the circuit. Kind regards Donald Lane |
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Voltage Test Terminal & Current Test Terminal in Switchgear
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